Fireproof door and the like.



J. R. HUSSEY.

IIREIROOI DOOR vAND THE LIKE.

y APPLICATION FILED JULY 13. 1908,

Patented Feb. 8, 1910.

NVENTOR.' John R Huejr.

E m W,

ATTORNEY.

ANDREW s GRAHAM co.. PHOTQALITHDGRAPNERS.wnsmumou. n.1;

UNITED STAES JOHN R. HUSSEY, OF INDIANAPOLIS, INDIANA.

FIREPROOF DOOR AND THE LIKE.

Specification of Letters Patent.

Patented Feb. e, 1910.

Application led July 13, 1908. Serial No. 443,305.

To all whom it may concern.'

Be it known that I, JOHN R. HUssnY, of Indianapolis, county of Marion, and State of Indiana, have invented a certain new and useful Fii'eproof Door and the Like; and l do hereby declare that the following' is a full, clear, and exact description thereof, refei'eiice being` had to the accompanying' drawings, in which like numerals i'efer to like parts.

The object of this invention is to provide an iinpi'oved lireproof sti'iictiire, such as a door or the like.

rlhe invention is made with reference to doors between buildiiig's or parts of building's mounted in such a manner as to close automatically when influenced by the heat of a lire.

@ne purpose of the invention is to make the door not only fireproof but also light and durable.

The chief featui'e of the invention consists in making' a dooi' out of a central rei infoi'cing' means, preferably of wire fabric or sheet metal, and securing' on each side thereof sheets of mineral wool or other noncoinbiistible material whereby the central. portion will maintain the rig'id and diii'able t form of the dooi' while the mineral wool will protect the central portion of the door from tire and heat and prevent the destruction of the dooi'.

Another feature of the invention consists in the means for securing' the mineral wool to the cent 1al portion. Therefore. l. build up the door with a central reinfoi'cing' sheet', y as a plane and uniformly on each side thereof l secure a number of asbestos oi' other nou-combustible panel strips in rectangular forni and opposite each other to divide the door on each side into sections. rIhese strips are secured by bolts or rivets that passi through the asbestos strips and the central 3 portion of the dooi'. lVithin the spaces thus foi'ined the layers of mineral wool are placed and sheets of tin are then secured to the i structure to hold the mineral wool in place and protect it from water.

lVhile the door' may be made of only one reinforcing' strip or sheet, it may consist of several such sheets with non-combustible inateiial secured between them and on both sides of each.

The full nature of the invention will be understood from the accompanying' drawings and the following' description and claims.

In the drawings Figure l is an elevation of a tireproof door with the left-hand two sections thereof complete, a third section with both the tin covering' and mineral wool removed from one side. Fig. 2 is a section thereof on the line BMZ of Fig. l. Fig. 3 is a door made up of a plurality of metal reinforcing sheets, the right hand end being broken away. Fig. 4 is a view partly in perspective and partly in section of the lower left-hand corner of the structure shown in Fi l excepting' that the central metal plate is a perforated sheet of metal instead of the wire fabric.

In Figs. l and 2 the central reinforcing' means consists of a wire fabric 10 and to that on each side I place narrow strips 11 of as-. bestos. These strips ai'e arranged so as to form the door into rectangular sections and l recesses into which sheets l2 of mineral wool are placed on each side of the central metal fabric l0, then on each side of the door a sheet of tin 13 is placed and bolts 14 are passed. through the sheets of tin and strips of asbestos and the metal fabric, as shown, for securing' the pai'ts rigidly together. rThis, it is observed, makes a very strong and yet light door and one which will be tireproof. The tin will suffice to hold the mineral wool in place and that and the asbestos will protect the central metal sheet which will maintain the form of the dooi'.

`Instead of using metal fabric l for the stitfening of the door a perforated metal sheet l may be employed, as shown in Fig'. et oi' an)Y other structure adapted to maintain the form of the door and hold the mineral wool and asbestos in place.

ln Fig. 3 there is shown a plurality of metal sheets 16 between which layers of asbestos l2 are located. Asbestos strips 1l eX- tend around the mineral wool and space the y metal sheets 16 fi'om each other, and the bolts 14e pass through the whole structure, as shown in Fig. 2.

That I claim as my invention and desire to secure .by Letters Patent is:

l. A fireproof striictui'e consisting' of a rigid member for maintaining the form of the structure, strips of asbestos or like non- L combustible material on each side thereof to form recesses on each side of said rigid meint ber, means extending through the rigid member and the strips of asbestos for securing them together, sheets of mineral Wool or like non-combustible material filling said recesses, and means for holding the mineral Wool in place. Y

2. A fireproof structure including a rigid member for maintaining the form of the structure, strips of asbestos oppositely locatedbn each side of said structure to forni recesses, means for securing them together, sheets of mineral Wool in said recesses, and

sheets of tin or the like secured over the outside surfaces of the asbestos and mineral Wool, substantially7 as set forth.

In Witness whereof, I have hereunto af- 15 iiXed my signature in the presence ol the Witnesses herein named.

JOHN R. HUSSEY.

l Witnesses:

O. M. GREENER, V. H. LoomvooD. 

